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DNA Structure and Replication

DNA Structure and Replication
Which of the following is not a structural motif in DNA binding proteins?

zinc finger
bZIP
helix-turn-helix
TFIID

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Replication forks
Okazaki fragments
Replication origins
Leading strands

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

Guanine residue can not be calculated
60%
15%
30%

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DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

all of these
dTTP
dATP
dGTP and dCTP

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DNA Structure and Replication
Messelsen and Stahl model of replication was called

semi-conservative replication
conservative replication
dispersive replication
Cri du Chat

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DNA Structure and Replication
E.coli DNA polymerases II and III lack

5' → 3' exonuclease activity
5' → 3' endonuclease activity
partially 5' → 3' endonuclease activity
partially 5' → 3' exonuclease activity

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